path = 'e:/GitHub/blog/public/js/bundle.min.6c8518518bf5af8d666e1b391ef3cf4caaaca7537fd1961891ed292d86eb3fed.js'
with open(path, 'rb') as f:
    content = f.read()

# Find initCodeFold in the binary content
marker = 'window.initCodeFold=function'.encode('utf-8')
idx = content.find(marker)
if idx == -1:
    # Try latin-1 or other encoding
    marker = 'window.initCodeFold=function'.encode()
    idx = content.find(marker)

if idx == -1:
    print("initCodeFold definition not found!")
else:
    # Find the span innerHTML part
    chunk = content[idx:idx+1200]
    # Find '展开代码' or its bytes
    # UTF-8 for 展开代码: e5 b1 95 e5 bc 80 e4 bb a3 e7 a0 81
    # UTF-8 for 收起代码: e6 94 b6 e8 b5 b7 e4 bb a3 e7 a0 81
    target1 = '展开代码'.encode('utf-8')
    target2 = '收起代码'.encode('utf-8')

    t1_idx = chunk.find(target1)
    t2_idx = chunk.find(target2)

    print(f"展开代码 found at offset {t1_idx}: {t1_idx != -1}")
    print(f"收起代码 found at offset {t2_idx}: {t2_idx != -1}")

    # Also check the raw source file
    print()
    print("--- Checking source file ---")
    with open('e:/GitHub/blog/themes/Ying/assets/js/modules/utils.js', 'rb') as f:
        src = f.read()
    t1 = src.find(target1)
    t2 = src.find(target2)
    print(f"展开代码 in source: {t1 != -1}")
    print(f"收起代码 in source: {t2 != -1}")

    # Check file encoding
    print()
    print(f"Built JS file size: {len(content)} bytes")

    # Check if file starts with BOM or has other encoding markers
    if content[:3] == b'\xef\xbb\xbf':
        print("File has UTF-8 BOM")
    elif content[:2] == b'\xff\xfe':
        print("File has UTF-16 LE BOM")
    elif content[:2] == b'\xfe\xff':
        print("File has UTF-16 BE BOM")
    else:
        print("No BOM detected - likely UTF-8")